Electrical noise suppression in coin acceptor mechanism

Electronic circuit protection automatic power interrupt

Gaming machine and method of detecting fraud in the same

Hook array for a bill acceptor

Mechanical coin checker

Method and apparatus for detecting fraud or theft in a gaming ma

Method and apparatus for fraud detection

Method and apparatus for protecting a money-handling unit vulner

Method for recording the placement of replaceable, self-filling

Moisture detecting and power shut off apparatus for bill validat

Money item acceptor with enhanced security

Money screening method and unit

Multiple chute coin mechanism

Paper currency discriminating device

Paper currency receiving apparatus with fraud prevention

Paper currency validator

Paper money recognition and transmission system for vending mach

Rotary anti-pullback unit of fletched fins

Security unit for a paper currency receiving system for...

Self teaching coin discriminator